Home / 1,332,175.47-1,998,919.31-622,100.31

Finding the Fourth Proportional to 1,332,175.47, 1,998,919.31 and 622,100.31

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Solution

The fourth proportional to 1,332,175.47, 1,998,919.31 and 622,100.31 is: 933,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,175.47 : 1,998,919.31 = 622,100.31 : x
  2. Step 2: Convert to fraction form
    1,332,175.47/1,998,919.31 = 622,100.31/x
  3. Step 3: Cross multiply
    1,332,175.47x = 1,998,919.31 × 622,100.31
  4. Step 4: Simplify right side
    1,332,175.47x = 1,243,528,319,305.48
  5. Step 5: Solve for x
    x = 1,243,528,319,305.48/1,332,175.47
  6. Step 6: Final answer
    x = 933,456.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.